Question

{2х-5у=-19
{3х-2у=-12

Answer 1

Объяснение:

{2х-5у= -19

{3х-2у= -12

{2x-5y= -19

{x=-4+(2/3)×y

{2(-4+(2/3)y)-5y= -19

{x= -4+(2/3)×3

{y=3

{x= -2